Home / 31,757.60-43,828.18-17,615

Finding the Fourth Proportional to 31,757.60, 43,828.18 and 17,615

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Solution

The fourth proportional to 31,757.60, 43,828.18 and 17,615 is: 24,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757.60 : 43,828.18 = 17,615 : x
  2. Step 2: Convert to fraction form
    31,757.60/43,828.18 = 17,615/x
  3. Step 3: Cross multiply
    31,757.60x = 43,828.18 × 17,615
  4. Step 4: Simplify right side
    31,757.60x = 772,033,390.70
  5. Step 5: Solve for x
    x = 772,033,390.70/31,757.60
  6. Step 6: Final answer
    x = 24,310.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.